save project

func.py

+def cd():   
+    total = []    
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:
+            try:
+                unit=int(unit)
+            except:
+                print('请重新输入一个整数')
+            else:    
+                total.append(unit)
+    return total
+
+def zh(w):
+    co=0
+    for i in w:
+        co=co+i
+    return co
+
+jg=cd()
+qh=zh(jg)
+print('你一共消费了' +str(qh)+'元。是现金还是扫码呢？')
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